/*
 * This file Copyright (c) 2015. Walle.
 * (http://www.wallellen.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the
 * Walle Agreement (WA) and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or WA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Walle Agreement (WA), this file
 * and the accompanying materials are made available under the
 * terms of the WA which accompanies this distribution, and
 * is available at http://www.wallellen.com/agreement.html
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 */

package com.wallellen.wechat.menu;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.wallellen.core.http.HttpUtils;
import com.wallellen.wechat.exception.WeChatException;
import com.wallellen.wechat.token.TokenProxy;
import com.wallellen.wechat.util.WeChatUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 微信菜单操作
 *
 * @author <a href="mailto:wallellen@hotmail.com">WALLE</a>
 * @version 2015-7-4
 */
public class MenuManager {
    private static Logger logger = LoggerFactory.getLogger(MenuManager.class);

    private static final String MENU_CREATE_POST_URL = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=";
    private static final String MENU_GET_GET_URL = "https://api.weixin.qq.com/cgi-bin/menu/get?access_token=";
    private static final String MENU_DEL_GET_URL = "https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=";

    private String accessToken;

    public MenuManager() {
        this.accessToken = TokenProxy.accessToken();
    }

    /**
     * 创建菜单
     *
     * @throws WeChatException
     */
    public void create(Menu menu) throws WeChatException {
        logger.info("创建菜单");
        String resultStr = HttpUtils.post(MENU_CREATE_POST_URL + this.accessToken, JSON.toJSONString(menu));
        WeChatUtil.isSuccess(resultStr);
    }

    /**
     * 查询菜单
     */
    public Menu getMenu() {
        logger.info("查询菜单");
        String resultStr = HttpUtils.get(MENU_GET_GET_URL + this.accessToken);
        try {
            WeChatUtil.isSuccess(resultStr);
        } catch (WeChatException e) {
            e.printStackTrace();
            return null;
        }
        JSONObject menuObject = JSONObject.parseObject(resultStr);
        Menu menu = menuObject.getObject("menu", Menu.class);
        return menu;
    }

    /**
     * 删除菜单
     *
     * @throws WeChatException
     */
    public void delete() throws WeChatException {
        logger.info("删除菜单");
        String resultStr = HttpUtils.get(MENU_DEL_GET_URL + this.accessToken);
        WeChatUtil.isSuccess(resultStr);
    }

}
